Ductile Iron, GGG50, A395, A536, Lug Type, Lugged Wafer Butterfly Valve, Soft Seat, NBR, EPDM, Stainless Steel A351-CF8M, CF8 Disc, Pn16, Sizes From Dn50 to Dn600, And Above.
Ductile Iron Lugged Wafer Soft Seated Butterfly Valve is designed for high-performance flow control in industrial applications. Featuring a A351-CF8M (SS316) disc, soft sealing (EPDM / PTFE), and PN16 pressure rating, this valve ensures excellent durability, corrosion resistance, and tight shut-off.
The lug-type design allows easy installation between flanges without nuts, making it ideal for piping systems requiring frequent maintenance. Suitable for water, air, chemicals, and mild corrosive fluids.
Key Features ✔ Body Material: Ductile Iron with epoxy coating
✔ Disc Material: ASTM A351-CF8M, CF8 (Stainless Steel 316, 304)
✔ Seat Material: NBR / EPDM / PTFE (soft sealing, bubble-tight shut-off)
✔ Design Standard: EN 593 / API 609
✔ Face to Face: EN 558-1 20 Series
✔ Pressure Rating: PN16 (16 bar)
✔ Temperature Range: -20°C to +150°C (depends on seat material)
✔ Operation: Lever, Gearbox, or Actuator (manual/automated)
Material List
Valve Parts |
Material |
Body |
Ductile Iron (GGG50, A536, A395) |
Disc |
DI, A351-CF8M, CF8 (SS316,SS304) |
Seat |
NBR / EPDM / PTFE (Optional) |
Stem |
Stainless Steel (SS416/SS304) |
Shaft Seal |
Nitrile (NBR) / Viton (FKM) |
Coating |
Epoxy Powder Coated |
Dimensions Table (PN16, Lug Type, EN558 Series 20)
NPS |
Face-to-Face (L) (mm) |
2" |
43 |
2½" |
46 |
3" |
46 |
4" |
52 |
5" |
56 |
6" |
56 |
8" |
60 |
10" |
68 |
12" |
78 |
14" |
92 |
16" |
102 |
18" |
114 |
20" |
127 |
24" |
154 |
✅ HVAC Systems
✅ Chemical & Petrochemical Industries
✅ Food & Beverage
✅ Fire Protection Systems
Why Choose Our Butterfly Valve? ✔ High Corrosion Resistance (Stainless Steel disc for harsh environments)
✔ Zero Leakage (Soft seat ensures bubble-tight sealing)
✔ Easy Installation & Maintenance (Lug-type design)
✔ Competitive Pricing & Long Service Life
For More Details, Contact Our Sales Team!